Fracture-based forming limit criteria for anisotropic materials in sheet metal forming

This paper is concerned with modeling of fracture-based forming limit criteria for anisotropic materials in sheet metal forming to predict the sudden fracture in complicated forming processes. The Lou–Huh ductile fracture criterion is modified using the Hill's 48 anisotropic yield function inst...

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Veröffentlicht in:	International journal of plasticity 2017-09, Vol.96, p.1-35
Hauptverfasser:	Park, Namsu, Huh, Hoon, Lim, Sung Jun, Lou, Yanshan, Kang, Yeon Sik, Seo, Min Hong
Format:	Artikel
Sprache:	eng
Schlagworte:	A. Yield condition Anisotropy Axial stress B. Anisotropic material B. Constitutive behaviour C. Mechanical testing Criteria Digital imaging Ductile fracture Equivalence Forming limit diagrams Fracture forming limit diagram Fracture mechanics Mathematical models Metal forming Metal sheets Plane stress Plastic deformation Stress state Two dimensional models
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